Knowledge

VSWR vs Return Loss Table

Streamline your RF design workflow with this precise VSWR to Return Loss conversion table. Built for engineers to simplify impedance matching and link budget calculations from 1.01 to 20.0 Accuracy.

VSWR	Return Loss (dB)
1.01	46.064
1.02	40.086
1.03	36.607
1.04	34.151
1.05	32.256
1.06	30.714
1.07	29.417
1.08	28.299
1.09	27.318
1.10	26.444
1.11	25.658
1.12	24.943
1.13	24.289
1.14	23.686
1.15	23.127
1.16	22.607
1.17	22.120
1.18	21.664
1.19	21.234
1.20	20.828
1.21	20.443
1.22	20.079
1.23	19.732
1.24	19.401
1.25	19.085
1.26	18.783
1.27	18.493
1.28	18.216
1.29	17.949
1.30	17.690
1.31	17.445
1.32	17.207
1.33	16.977
1.34	16.755
1.35	16.540

VSWR	Return Loss (dB)
1.36	16.332
1.37	16.131
1.38	15.936
1.39	15.747
1.40	15.563
1.41	15.385
1.42	15.211
1.43	15.043
1.44	14.879
1.45	14.719
1.46	14.564
1.47	14.412
1.48	14.264
1.49	14.120
1.50	13.979
1.51	13.842
1.52	13.708
1.53	13.577
1.54	13.449
1.55	13.324
1.56	13.201
1.57	13.081
1.58	12.964
1.59	12.849
1.60	12.736
1.61	12.625
1.62	12.518
1.63	12.412
1.64	12.308
1.65	12.207
1.66	12.107
1.67	12.009
1.68	11.913
1.69	11.818
1.70	11.725

VSWR	Return Loss (dB)
1.75	11.285
1.80	10.881
1.85	10.509
1.90	10.163
1.95	9.842
2.00	9.542
2.05	9.262
2.10	8.999
2.15	8.752
2.20	8.519
2.25	8.299
2.30	8.091
2.35	7.894
2.40	7.707
2.45	7.529
2.50	7.360
2.55	7.198
2.60	7.044
2.65	6.896
2.70	6.755
2.75	6.620
2.80	6.490
2.85	6.366
2.90	6.246
2.95	6.131
3.00	6.021
3.10	5.811
3.20	5.617
3.30	5.435
3.40	5.265
3.50	5.105
4.00	4.400
5.00	3.500
10.00	1.700
20.00	0.900

Chat with us

VSWR to Return Loss Conversion